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Novel Dammarane-Type Glycosides from Gynostemma pentaphyllum

Authors: Feng YIN, Lihong HU,* and Ruixiang PAN

Source: Chem. Pharm. Bull. 52(12) 1440—1444 (2004) Vol. 52, No. 12

Abstract: Three new dammarane glycosides (1—3), together with five known compounds, gypenoside LXIX (4), gylongiposide I (5), gypenoside XLVIII (6), allantion (7) and vitexin (8) were isolated from the MeOH extract of the aerial parts of Gynostemma pentaphyllum. Compounds 5, 7, and 8 were isolated from this plant for the first time. Their structures were elucidated by 1D and 2D NMR spectra interpretation as well as by chemical degradation.

Ful text: 52_1440

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